A1P3E1R1I1O1D2I1C3I1T1Y4
20 points
APERIODICITY is validvalid
the property of being aperiodic [n APERIODICITIES]
the state of being aperiodic [n APERIODICITIES]
the property of being aperiodic [n APERIODICITIES]
the state of being aperiodic [n APERIODICITIES]